# CONFIG_MTD_ABSENT is not set
CONFIG_MTD_ADM5120=y
CONFIG_MTD_BLOCK=y
-# CONFIG_MTD_BLOCK2MTD is not set
+CONFIG_MTD_BLOCK2MTD=y
CONFIG_MTD_CFI=y
# CONFIG_MTD_CFI_ADV_OPTIONS is not set
CONFIG_MTD_CFI_AMDSTD=y
# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
# CONFIG_MTD_MTDRAM is not set
CONFIG_MTD_MYLOADER_PARTS=y
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_NANDSIM is not set
+CONFIG_MTD_NAND_RB100=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
# CONFIG_MTD_OBSOLETE_CHIPS is not set
# CONFIG_MTD_ONENAND is not set
CONFIG_MTD_PARTITIONS=y
# CONFIG_MTD_PMC551 is not set
# CONFIG_MTD_RAM is not set
# CONFIG_MTD_REDBOOT_PARTS is not set
-CONFIG_MTD_MYLOADER_PARTS=y
# CONFIG_MTD_ROM is not set
# CONFIG_MTD_SLRAM is not set
CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_SYS_HAS_CPU_MIPS32_R1=y
CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y
CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
CONFIG_TMPFS_POSIX_ACL=y
# CONFIG_TOSHIBA_JMR3927 is not set
# CONFIG_USB_USBNET_MII is not set
# CONFIG_USB_ZD1201 is not set
CONFIG_VM_EVENT_COUNTERS=y
+# CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set
+CONFIG_YAFFS_AUTO_YAFFS2=y
+# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set
+# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set
+# CONFIG_YAFFS_DOES_ECC is not set
+CONFIG_YAFFS_FS=y
+CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y
+CONFIG_YAFFS_YAFFS1=y
+CONFIG_YAFFS_YAFFS2=y
# CONFIG_ZD1211RW is not set
--- /dev/null
+/*==============================================================================*/
+/* rbmipsnand.c */
+/* This module is derived from the 2.4 driver shipped by Microtik for their */
+/* Routerboard 1xx and 5xx series boards. It provides support for the built in */
+/* NAND flash on the Routerboard 1xx series boards for Linux 2.6.19+. */
+/* Licence: Original Microtik code seems not to have a licence. */
+/* Rewritten code all GPL V2. */
+/* Copyright(C) 2007 david.goodenough@linkchoose.co.uk (for rewriten code) */
+/*==============================================================================*/
+
+#include <linux/init.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/bootinfo.h>
+
+#define SMEM1_BASE 0x10000000 // from ADM5120 documentation
+#define SMEM1(x) (*((volatile unsigned char *) (KSEG1ADDR(SMEM1_BASE) + x)))
+
+#define NAND_RW_REG 0x0 //data register
+#define NAND_SET_CEn 0x1 //CE# low
+#define NAND_CLR_CEn 0x2 //CE# high
+#define NAND_CLR_CLE 0x3 //CLE low
+#define NAND_SET_CLE 0x4 //CLE high
+#define NAND_CLR_ALE 0x5 //ALE low
+#define NAND_SET_ALE 0x6 //ALE high
+#define NAND_SET_SPn 0x7 //SP# low (use spare area)
+#define NAND_CLR_SPn 0x8 //SP# high (do not use spare area)
+#define NAND_SET_WPn 0x9 //WP# low
+#define NAND_CLR_WPn 0xA //WP# high
+#define NAND_STS_REG 0xB //Status register
+
+#define MEM32(x) *((volatile unsigned *) (x))
+static void __iomem *p_nand;
+
+static int rb100_dev_ready(struct mtd_info *mtd) {
+ return SMEM1(NAND_STS_REG) & 0x80;
+}
+
+static void rbmips_hwcontrol100(struct mtd_info *mtd, int cmd, unsigned int ctrl) {
+ struct nand_chip *chip = mtd->priv;
+ if (ctrl & NAND_CTRL_CHANGE) {
+ SMEM1((( ctrl & NAND_CLE) ? NAND_SET_CLE : NAND_CLR_CLE)) = 0x01;
+ SMEM1((( ctrl & NAND_ALE) ? NAND_SET_ALE : NAND_CLR_ALE)) = 0x01;
+ SMEM1((( ctrl & NAND_NCE) ? NAND_SET_CEn : NAND_CLR_CEn)) = 0x01;
+ }
+ if( cmd != NAND_CMD_NONE)
+ writeb( cmd, chip->IO_ADDR_W);
+}
+
+static struct mtd_partition partition_info[] = {
+ {
+ name: "RouterBoard NAND Boot",
+ offset: 0,
+ size: 4 * 1024 * 1024
+ },
+ {
+ name: "RouterBoard NAND Main",
+ offset: MTDPART_OFS_NXTBLK,
+ size: MTDPART_SIZ_FULL
+ }
+};
+
+static struct mtd_info rmtd;
+static struct nand_chip rnand;
+
+static unsigned init_ok = 0;
+
+unsigned get_rbnand_block_size(void) {
+ return init_ok ? rmtd.writesize : 0;
+}
+
+EXPORT_SYMBOL(get_rbnand_block_size);
+
+int __init rbmips_init(void) {
+ memset(&rmtd, 0, sizeof(rmtd));
+ memset(&rnand, 0, sizeof(rnand));
+ printk("RB1xx nand\n");
+ MEM32(0xB2000064) = 0x100;
+ MEM32(0xB2000008) = 0x1;
+ SMEM1(NAND_SET_SPn) = 0x01;
+ SMEM1(NAND_CLR_WPn) = 0x01;
+ rnand.IO_ADDR_R = (unsigned char *)KSEG1ADDR(SMEM1_BASE);
+ rnand.IO_ADDR_W = rnand.IO_ADDR_R;
+ rnand.cmd_ctrl = rbmips_hwcontrol100;
+ rnand.dev_ready = rb100_dev_ready;
+ p_nand = (void __iomem *)ioremap(( unsigned long)SMEM1_BASE, 0x1000);
+ if (!p_nand) {
+ printk("RB1xx nand Unable ioremap buffer");
+ return -ENXIO;
+ }
+ rnand.ecc.mode = NAND_ECC_SOFT;
+ rnand.chip_delay = 25;
+ rnand.options |= NAND_NO_AUTOINCR;
+ rmtd.priv = &rnand;
+ if (nand_scan(&rmtd, 1) && nand_scan(&rmtd, 1)
+ && nand_scan(&rmtd, 1) && nand_scan(&rmtd, 1)) {
+ printk("RB1xxx nand device not found");
+ iounmap ((void *)p_nand);
+ return -ENXIO;
+ }
+ add_mtd_partitions(&rmtd, partition_info, 2);
+ init_ok = 1;
+ return 0;
+}
+
+module_init(rbmips_init);
+
--- /dev/null
+diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
+index cfe288a..c528024 100644
+--- a/drivers/mtd/nand/Kconfig
++++ b/drivers/mtd/nand/Kconfig
+@@ -55,6 +55,12 @@ config MTD_NAND_TOTO
+ help
+ Support for NAND flash on Texas Instruments Toto platform.
+
++config MTD_NAND_RB100
++ tristate "NAND Flash device on RB100 board"
++ depends on MTD_NAND
++ help
++ Support for NAND flash on RB100 platform.
++
+ config MTD_NAND_IDS
+ tristate
+
+diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
+index 4174202..2be57c1 100644
+--- a/drivers/mtd/nand/Makefile
++++ b/drivers/mtd/nand/Makefile
+@@ -8,6 +8,7 @@ obj-$(CONFIG_MTD_NAND_IDS) += nand_ids.
+
+ obj-$(CONFIG_MTD_NAND_SPIA) += spia.o
+ obj-$(CONFIG_MTD_NAND_TOTO) += toto.o
++obj-$(CONFIG_MTD_NAND_RB100) += rbmipsnand.o
+ obj-$(CONFIG_MTD_NAND_AUTCPU12) += autcpu12.o
+ obj-$(CONFIG_MTD_NAND_EDB7312) += edb7312.o
+ obj-$(CONFIG_MTD_NAND_AU1550) += au1550nd.o
projects / openwrt.git / commitdiff